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10222220201021 = 19771351702317
BaseRepresentation
bin1001010011000000101111…
…0011011100110000111101
31100012020100002202002210222
42110300023303130300331
52314440101332413041
633424004555111125
72103350101031423
oct224601363346075
940166302662728
1010222220201021
1132912458a1114
121191174a424a5
13591c49b0772a
14274a88311113
1512ad83ee074b
hex94c0bcdcc3d

10222220201021 has 4 divisors (see below), whose sum is σ = 10222272101052. Its totient is φ = 10222168300992.

The previous prime is 10222220200957. The next prime is 10222220201077. The reversal of 10222220201021 is 12010202222201.

It is a happy number.

10222220201021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1642511376025 + 8579708824996 = 1281605^2 + 2929114^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222220201021 - 26 = 10222220200957 is a prime.

It is a super-3 number, since 3×102222202010213 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222220261021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25653446 + ... + 26048871.

It is an arithmetic number, because the mean of its divisors is an integer number (2555568025263).

Almost surely, 210222220201021 is an apocalyptic number.

It is an amenable number.

10222220201021 is a deficient number, since it is larger than the sum of its proper divisors (51900031).

10222220201021 is an equidigital number, since it uses as much as digits as its factorization.

10222220201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51900030.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10222220201021 its reverse (12010202222201), we get a palindrome (22232422423222).

The spelling of 10222220201021 in words is "ten trillion, two hundred twenty-two billion, two hundred twenty million, two hundred one thousand, twenty-one".

Divisors: 1 197713 51702317 10222220201021