10111121021012 has 12 divisors (see below), whose sum is σ = 19303049222016. Its totient is φ = 4595964100440.

The previous prime is 10111121020933. The next prime is 10111121021021. The reversal of 10111121021012 is 21012012111101.

It is a congruent number.

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, 114899102468 + ... + 114899102555.

It is an arithmetic number, because the mean of its divisors is an integer number (1608587435168).

Almost surely, 2^{10111121021012} is an apocalyptic number.

It is an amenable number.

10111121021012 is a deficient number, since it is larger than the sum of its proper divisors (9191928201004).

10111121021012 is a wasteful number, since it uses less digits than its factorization.

10111121021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229798205038 (or 229798205036 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10111121021012 its reverse (21012012111101), we get a palindrome (31123133132113).

The spelling of 10111121021012 in words is "ten trillion, one hundred eleven billion, one hundred twenty-one million, twenty-one thousand, twelve".