121002101012 has 24 divisors (see below), whose sum is σ = 231907552800. Its totient is φ = 54900560736.

The previous prime is 121002100997. The next prime is 121002101039. The reversal of 121002101012 is 210101200121.

It is a junction number, because it is equal to n+sod(n) for n = 121002100984 and 121002101002.

It is a congruent number.

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, 19716962 + ... + 19723097.

It is an arithmetic number, because the mean of its divisors is an integer number (9662814700).

Almost surely, 2^121002101012 is an apocalyptic number.

It is an amenable number.

121002101012 is a deficient number, since it is larger than the sum of its proper divisors (110905451788).

121002101012 is a wasteful number, since it uses less digits than its factorization.

121002101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39440135 (or 39440133 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121002101012 its reverse (210101200121), we get a palindrome (331103301133).

It can be divided in two parts, 12100 and 2101012, that added together give a palindrome (2113112).

The spelling of 121002101012 in words is "one hundred twenty-one billion, two million, one hundred one thousand, twelve".