102120201211010 has 32 divisors (see below), whose sum is σ = 184461496473600. Its totient is φ = 40704904598400.

The previous prime is 102120201211001. The next prime is 102120201211031. The reversal of 102120201211010 is 10112102021201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7342595 + ... + 16067174.

It is an arithmetic number, because the mean of its divisors is an integer number (5764421764800).

Almost surely, 2^{102120201211010} is an apocalyptic number.

102120201211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120201211010 is a deficient number, since it is larger than the sum of its proper divisors (82341295262590).

102120201211010 is a wasteful number, since it uses less digits than its factorization.

102120201211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23411306.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102120201211010 its reverse (10112102021201), we get a palindrome (112232303232211).

The spelling of 102120201211010 in words is "one hundred two trillion, one hundred twenty billion, two hundred one million, two hundred eleven thousand, ten".