103021021311 has 16 divisors (see below), whose sum is σ = 147934711680. Its totient is φ = 63394512480.

The previous prime is 103021021289. The next prime is 103021021351. The reversal of 103021021311 is 113120120301.

It is a happy number.

It is not a de Polignac number, because 103021021311 - 2⁷ = 103021021183 is a prime.

It is a super-2 number, since 2×103021021311² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021021351) 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, 977076 + ... + 1077366.

It is an arithmetic number, because the mean of its divisors is an integer number (9245919480).

Almost surely, 2^103021021311 is an apocalyptic number.

103021021311 is a deficient number, since it is larger than the sum of its proper divisors (44913690369).

103021021311 is a wasteful number, since it uses less digits than its factorization.

103021021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126646.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103021021311 its reverse (113120120301), we get a palindrome (216141141612).

The spelling of 103021021311 in words is "one hundred three billion, twenty-one million, twenty-one thousand, three hundred eleven".