1110021111998 has 16 divisors (see below), whose sum is σ = 1705058799840. Its totient is φ = 541774492896.

The previous prime is 1110021111973. The next prime is 1110021112033. The reversal of 1110021111998 is 8991111200111.

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, 26557538 + ... + 26599301.

It is an arithmetic number, because the mean of its divisors is an integer number (106566174990).

Almost surely, 2^{1110021111998} is an apocalyptic number.

1110021111998 is a deficient number, since it is larger than the sum of its proper divisors (595037687842).

1110021111998 is a wasteful number, since it uses less digits than its factorization.

1110021111998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53157091.

The product of its (nonzero) digits is 1296, while the sum is 35.

The spelling of 1110021111998 in words is "one trillion, one hundred ten billion, twenty-one million, one hundred eleven thousand, nine hundred ninety-eight".