121012100022010 has 16 divisors (see below), whose sum is σ = 218061936373536. Its totient is φ = 48351471934608.

The previous prime is 121012100021977. The next prime is 121012100022067. The reversal of 121012100022010 is 10220001210121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6670999752 + ... + 6671017891.

It is an arithmetic number, because the mean of its divisors is an integer number (13628871023346).

Almost surely, 2^{121012100022010} is an apocalyptic number.

121012100022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012100022010 is a deficient number, since it is larger than the sum of its proper divisors (97049836351526).

121012100022010 is a wasteful number, since it uses less digits than its factorization.

121012100022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13342018557.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121012100022010 its reverse (10220001210121), we get a palindrome (131232101232131).

The spelling of 121012100022010 in words is "one hundred twenty-one trillion, twelve billion, one hundred million, twenty-two thousand, ten".