1021210101102 has 64 divisors (see below), whose sum is σ = 2164974912000. Its totient is φ = 320230195200.

The previous prime is 1021210101101. The next prime is 1021210101103. The reversal of 1021210101102 is 2011010121201.

It is an interprime number because it is at equal distance from previous prime (1021210101101) and next prime (1021210101103).

It is a super-2 number, since 2×1021210101102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021210101101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52475758 + ... + 52495214.

It is an arithmetic number, because the mean of its divisors is an integer number (33827733000).

Almost surely, 2^{1021210101102} is an apocalyptic number.

1021210101102 is an abundant number, since it is smaller than the sum of its proper divisors (1143764810898).

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

1021210101102 is a wasteful number, since it uses less digits than its factorization.

1021210101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22681.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021210101102 its reverse (2011010121201), we get a palindrome (3032220222303).

The spelling of 1021210101102 in words is "one trillion, twenty-one billion, two hundred ten million, one hundred one thousand, one hundred two".