1011022002100 has 72 divisors (see below), whose sum is σ = 2394198511488. Its totient is φ = 367516300800.

The previous prime is 1011022002097. The next prime is 1011022002103. The reversal of 1011022002100 is 12002201101.

It is an interprime number because it is at equal distance from previous prime (1011022002097) and next prime (1011022002103).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011022002103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3028069 + ... + 3345331.

It is an arithmetic number, because the mean of its divisors is an integer number (33252757104).

Almost surely, 2^{1011022002100} is an apocalyptic number.

1011022002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011022002100 is an abundant number, since it is smaller than the sum of its proper divisors (1383176509388).

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

1011022002100 is a wasteful number, since it uses less digits than its factorization.

1011022002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320185 (or 320178 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1011022002100 its reverse (12002201101), we get a palindrome (1023024203201).

It can be divided in two parts, 101 and 1022002100, that added together give a palindrome (1022002201).

The spelling of 1011022002100 in words is "one trillion, eleven billion, twenty-two million, two thousand, one hundred".