200231021121102 has 64 divisors (see below), whose sum is σ = 446935194869760. Its totient is φ = 66447705385152.

The previous prime is 200231021121091. The next prime is 200231021121107. The reversal of 200231021121102 is 201121120132002.

200231021121102 is a `hidden beast` number, since 20 + 0 + 2 + 310 + 211 + 21 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200231021121107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2463498 + ... + 20162610.

It is an arithmetic number, because the mean of its divisors is an integer number (6983362419840).

Almost surely, 2^{200231021121102} is an apocalyptic number.

200231021121102 is an abundant number, since it is smaller than the sum of its proper divisors (246704173748658).

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

200231021121102 is a wasteful number, since it uses less digits than its factorization.

200231021121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17700054 (or 17700048 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 200231021121102 its reverse (201121120132002), we get a palindrome (401352141253104).

The spelling of 200231021121102 in words is "two hundred trillion, two hundred thirty-one billion, twenty-one million, one hundred twenty-one thousand, one hundred two".