20101202210102 has 48 divisors (see below), whose sum is σ = 34301049335280. Its totient is φ = 8781259754304.

The previous prime is 20101202210101. The next prime is 20101202210119. The reversal of 20101202210102 is 20101220210102.

It is a super-3 number, since 3×20101202210102³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101202210101) 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, 9443513 + ... + 11374635.

It is an arithmetic number, because the mean of its divisors is an integer number (714605194485).

Almost surely, 2^{20101202210102} is an apocalyptic number.

20101202210102 is a deficient number, since it is larger than the sum of its proper divisors (14199847125178).

20101202210102 is a wasteful number, since it uses less digits than its factorization.

20101202210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932285 (or 1932266 counting only the distinct ones).

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

Adding to 20101202210102 its reverse (20101220210102), we get a palindrome (40202422420204).

The spelling of 20101202210102 in words is "twenty trillion, one hundred one billion, two hundred two million, two hundred ten thousand, one hundred two".