1011211042104 has 48 divisors (see below), whose sum is σ = 2743362268920. Its totient is φ = 336496107840.

The previous prime is 1011211042027. The next prime is 1011211042111. The reversal of 1011211042104 is 4012401121101.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 11920767 + ... + 12005294.

Almost surely, 2^{1011211042104} is an apocalyptic number.

It is an amenable number.

1011211042104 is an abundant number, since it is smaller than the sum of its proper divisors (1732151226816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011211042104 is a wasteful number, since it uses less digits than its factorization.

1011211042104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23926660 (or 23926653 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1011211042104 its reverse (4012401121101), we get a palindrome (5023612163205).

The spelling of 1011211042104 in words is "one trillion, eleven billion, two hundred eleven million, forty-two thousand, one hundred four".