102201011042 has 32 divisors (see below), whose sum is σ = 165794409984. Its totient is φ = 46969761600.

The previous prime is 102201011041. The next prime is 102201011137. The reversal of 102201011042 is 240110102201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102201011041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19662788 + ... + 19667984.

It is an arithmetic number, because the mean of its divisors is an integer number (5181075312).

Almost surely, 2^102201011042 is an apocalyptic number.

102201011042 is a deficient number, since it is larger than the sum of its proper divisors (63593398942).

102201011042 is a wasteful number, since it uses less digits than its factorization.

102201011042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8274.

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

Adding to 102201011042 its reverse (240110102201), we get a palindrome (342311113243).

The spelling of 102201011042 in words is "one hundred two billion, two hundred one million, eleven thousand, forty-two".