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1022011020101 = 1454717025531
BaseRepresentation
bin11101101111101001001…
…10101001001101000101
310121200222201001002200202
432313310212221031011
5113221034310120401
62101301055020245
7133560246223211
oct16676446511505
93550881032622
101022011020101
113644836390a5
121460a550a685
13754b54a87a6
1437673855941
151b8b8d2006b
hexedf49a9345

1022011020101 has 4 divisors (see below), whose sum is σ = 1022018191104. Its totient is φ = 1022003849100.

The previous prime is 1022011020073. The next prime is 1022011020161. The reversal of 1022011020101 is 1010201102201.

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 1022011020101 - 226 = 1021943911237 is a prime.

It is a super-3 number, since 3×10220110201013 (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 (1022011020161) 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, 3367295 + ... + 3658236.

It is an arithmetic number, because the mean of its divisors is an integer number (255504547776).

Almost surely, 21022011020101 is an apocalyptic number.

It is an amenable number.

1022011020101 is a deficient number, since it is larger than the sum of its proper divisors (7171003).

1022011020101 is an equidigital number, since it uses as much as digits as its factorization.

1022011020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171002.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1022011020101 its reverse (1010201102201), we get a palindrome (2032212122302).

The spelling of 1022011020101 in words is "one trillion, twenty-two billion, eleven million, twenty thousand, one hundred one".

Divisors: 1 145471 7025531 1022011020101