1022100010002 has 20 divisors (see below), whose sum is σ = 2290261133886. Its totient is φ = 340700003280.

The previous prime is 1022100009977. The next prime is 1022100010003. The reversal of 1022100010002 is 2000100012201.

It can be written as a sum of positive squares in only one way, i.e., 807426247761 + 214673762241 = 898569^2 + 463329^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1022100010003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3154629499 + ... + 3154629822.

Almost surely, 2^{1022100010002} is an apocalyptic number.

1022100010002 is an abundant number, since it is smaller than the sum of its proper divisors (1268161123884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022100010002 is an equidigital number, since it uses as much as digits as its factorization.

1022100010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309259335 (or 6309259326 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1022100010002 its reverse (2000100012201), we get a palindrome (3022200022203).

The spelling of 1022100010002 in words is "one trillion, twenty-two billion, one hundred million, ten thousand, two".