121010112010 has 16 divisors (see below), whose sum is σ = 218031976800. Its totient is φ = 48356539216.

The previous prime is 121010112001. The next prime is 121010112017. The reversal of 121010112010 is 10211010121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (121010112017) 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, 5927500 + ... + 5947879.

It is an arithmetic number, because the mean of its divisors is an integer number (13626998550).

Almost surely, 2^121010112010 is an apocalyptic number.

121010112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010112010 is a deficient number, since it is larger than the sum of its proper divisors (97021864790).

121010112010 is a wasteful number, since it uses less digits than its factorization.

121010112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11876405.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121010112010 its reverse (10211010121), we get a palindrome (131221122131).

The spelling of 121010112010 in words is "one hundred twenty-one billion, ten million, one hundred twelve thousand, ten".