101202020020102 has 4 divisors (see below), whose sum is σ = 151803030030156. Its totient is φ = 50601010010050.

The previous prime is 101202020020097. The next prime is 101202020020133. The reversal of 101202020020102 is 201020020202101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×101202020020102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25300505005024 + ... + 25300505005027.

It is an arithmetic number, because the mean of its divisors is an integer number (37950757507539).

Almost surely, 2^{101202020020102} is an apocalyptic number.

101202020020102 is a deficient number, since it is larger than the sum of its proper divisors (50601010010054).

101202020020102 is an equidigital number, since it uses as much as digits as its factorization.

101202020020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50601010010053.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 101202020020102 its reverse (201020020202101), we get a palindrome (302222040222203).

The spelling of 101202020020102 in words is "one hundred one trillion, two hundred two billion, twenty million, twenty thousand, one hundred two".