1103264154021 has 16 divisors (see below), whose sum is σ = 1569813571584. Its totient is φ = 686793429504.

The previous prime is 1103264153989. The next prime is 1103264154049. The reversal of 1103264154021 is 1204514623011.

It is not a de Polignac number, because 1103264154021 - 2⁵ = 1103264153989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103264154021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103264154221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85161360 + ... + 85174313.

It is an arithmetic number, because the mean of its divisors is an integer number (98113348224).

Almost surely, 2^{1103264154021} is an apocalyptic number.

It is an amenable number.

1103264154021 is a deficient number, since it is larger than the sum of its proper divisors (466549417563).

1103264154021 is a wasteful number, since it uses less digits than its factorization.

1103264154021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170335820.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 1103264154021 its reverse (1204514623011), we get a palindrome (2307778777032).

The spelling of 1103264154021 in words is "one trillion, one hundred three billion, two hundred sixty-four million, one hundred fifty-four thousand, twenty-one".