101021020120102 has 16 divisors (see below), whose sum is σ = 151763192060832. Its totient is φ = 50433314270080.

The previous prime is 101021020120099. The next prime is 101021020120103. The reversal of 101021020120102 is 201021020120101.

It is a super-2 number, since 2×101021020120102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021020120103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932702 + ... + 14344942.

It is an arithmetic number, because the mean of its divisors is an integer number (9485199503802).

Almost surely, 2^{101021020120102} is an apocalyptic number.

101021020120102 is a deficient number, since it is larger than the sum of its proper divisors (50742171940730).

101021020120102 is a wasteful number, since it uses less digits than its factorization.

101021020120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12418463.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101021020120102 its reverse (201021020120101), we get a palindrome (302042040240203).

Subtracting 101021020120102 from its reverse (201021020120101), we obtain a palindrome (99999999999999).

The spelling of 101021020120102 in words is "one hundred one trillion, twenty-one billion, twenty million, one hundred twenty thousand, one hundred two".