1121012021012 has 48 divisors (see below), whose sum is σ = 2158165658880. Its totient is φ = 506255459712.

The previous prime is 1121012020963. The next prime is 1121012021029. The reversal of 1121012021012 is 2101202101211.

It is a congruent number.

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, 10104539 + ... + 10214877.

It is an arithmetic number, because the mean of its divisors is an integer number (44961784560).

Almost surely, 2^{1121012021012} is an apocalyptic number.

It is an amenable number.

1121012021012 is a deficient number, since it is larger than the sum of its proper divisors (1037153637868).

1121012021012 is a wasteful number, since it uses less digits than its factorization.

1121012021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114560 (or 114558 counting only the distinct ones).

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

Adding to 1121012021012 its reverse (2101202101211), we get a palindrome (3222214122223).

It can be divided in two parts, 11 and 21012021012, that multiplied together give a palindrome (231132231132).

The spelling of 1121012021012 in words is "one trillion, one hundred twenty-one billion, twelve million, twenty-one thousand, twelve".