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1020122210101 = 9471077214583
BaseRepresentation
bin11101101100001000000…
…01011001111100110101
310121112010001220121110211
432312010001121330311
5113203202241210401
62100345423145421
7133462402500421
oct16660401317465
93545101817424
101020122210101
113636a44361a5
12145858a45271
1375274092337
1437534a61b81
151b8080c2951
hexed84059f35

1020122210101 has 4 divisors (see below), whose sum is σ = 1021199425632. Its totient is φ = 1019044994572.

The previous prime is 1020122210099. The next prime is 1020122210111. The reversal of 1020122210101 is 1010122210201.

1020122210101 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020122210101 - 21 = 1020122210099 is a prime.

It is a super-3 number, since 3×10201222101013 (a number of 37 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 (1020122210111) 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, 538606345 + ... + 538608238.

It is an arithmetic number, because the mean of its divisors is an integer number (255299856408).

Almost surely, 21020122210101 is an apocalyptic number.

It is an amenable number.

1020122210101 is a deficient number, since it is larger than the sum of its proper divisors (1077215531).

1020122210101 is an equidigital number, since it uses as much as digits as its factorization.

1020122210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077215530.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020122210101 its reverse (1010122210201), we get a palindrome (2030244420302).

The spelling of 1020122210101 in words is "one trillion, twenty billion, one hundred twenty-two million, two hundred ten thousand, one hundred one".

Divisors: 1 947 1077214583 1020122210101