102121210202 has 16 divisors (see below), whose sum is σ = 167982349824. Its totient is φ = 46175700000.

The previous prime is 102121210201. The next prime is 102121210267. The reversal of 102121210202 is 202012121201.

102121210202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (102121210201) 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, 12147299 + ... + 12155702.

It is an arithmetic number, because the mean of its divisors is an integer number (10498896864).

Almost surely, 2^102121210202 is an apocalyptic number.

102121210202 is a deficient number, since it is larger than the sum of its proper divisors (65861139622).

102121210202 is a wasteful number, since it uses less digits than its factorization.

102121210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24303205.

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

Adding to 102121210202 its reverse (202012121201), we get a palindrome (304133331403).

The spelling of 102121210202 in words is "one hundred two billion, one hundred twenty-one million, two hundred ten thousand, two hundred two".