121100020211012 has 12 divisors (see below), whose sum is σ = 221139167342016. Its totient is φ = 57917400970440.

The previous prime is 121100020210993. The next prime is 121100020211047. The reversal of 121100020211012 is 210112020001121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658152283664 + ... + 658152283847.

It is an arithmetic number, because the mean of its divisors is an integer number (18428263945168).

Almost surely, 2^{121100020211012} is an apocalyptic number.

It is an amenable number.

121100020211012 is a deficient number, since it is larger than the sum of its proper divisors (100039147131004).

121100020211012 is a wasteful number, since it uses less digits than its factorization.

121100020211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316304567538 (or 1316304567536 counting only the distinct ones).

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

Adding to 121100020211012 its reverse (210112020001121), we get a palindrome (331212040212133).

The spelling of 121100020211012 in words is "one hundred twenty-one trillion, one hundred billion, twenty million, two hundred eleven thousand, twelve".