102121001210202 has 16 divisors (see below), whose sum is σ = 219952925683680. Its totient is φ = 31421846526192.

The previous prime is 102121001210147. The next prime is 102121001210203. The reversal of 102121001210202 is 202012100121201.

It is not an unprimeable number, because it can be changed into a prime (102121001210203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 654621802552 + ... + 654621802707.

It is an arithmetic number, because the mean of its divisors is an integer number (13747057855230).

Almost surely, 2^{102121001210202} is an apocalyptic number.

102121001210202 is an abundant number, since it is smaller than the sum of its proper divisors (117831924473478).

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

102121001210202 is a wasteful number, since it uses less digits than its factorization.

102121001210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309243605277.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102121001210202 its reverse (202012100121201), we get a palindrome (304133101331403).

The spelling of 102121001210202 in words is "one hundred two trillion, one hundred twenty-one billion, one million, two hundred ten thousand, two hundred two".