20210210120102 has 48 divisors (see below), whose sum is σ = 31779468834048. Its totient is φ = 9636597618480.

The previous prime is 20210210120083. The next prime is 20210210120117. The reversal of 20210210120102 is 20102101201202.

It is a super-3 number, since 3×20210210120102³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26669813 + ... + 27417135.

It is an arithmetic number, because the mean of its divisors is an integer number (662072267376).

Almost surely, 2^{20210210120102} is an apocalyptic number.

20210210120102 is a deficient number, since it is larger than the sum of its proper divisors (11569258713946).

20210210120102 is a wasteful number, since it uses less digits than its factorization.

20210210120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747585 (or 747542 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20210210120102 its reverse (20102101201202), we get a palindrome (40312311321304).

The spelling of 20210210120102 in words is "twenty trillion, two hundred ten billion, two hundred ten million, one hundred twenty thousand, one hundred two".