1021121102012 has 36 divisors (see below), whose sum is σ = 2012088193248. Its totient is φ = 452825313600.

The previous prime is 1021121102003. The next prime is 1021121102069. The reversal of 1021121102012 is 2102011211201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25708868 + ... + 25748555.

Almost surely, 2^{1021121102012} is an apocalyptic number.

It is an amenable number.

1021121102012 is a deficient number, since it is larger than the sum of its proper divisors (990967091236).

1021121102012 is a wasteful number, since it uses less digits than its factorization.

1021121102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51457490 (or 51457477 counting only the distinct ones).

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

Adding to 1021121102012 its reverse (2102011211201), we get a palindrome (3123132313213).

The spelling of 1021121102012 in words is "one trillion, twenty-one billion, one hundred twenty-one million, one hundred two thousand, twelve".