1101820358820 has 96 divisors (see below), whose sum is σ = 3184939892736. Its totient is φ = 284311843200.

The previous prime is 1101820358803. The next prime is 1101820358867. The reversal of 1101820358820 is 288530281011.

It is a super-2 number, since 2×1101820358820² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23023357 + ... + 23071163.

It is an arithmetic number, because the mean of its divisors is an integer number (33176457216).

Almost surely, 2^{1101820358820} is an apocalyptic number.

1101820358820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101820358820 is an abundant number, since it is smaller than the sum of its proper divisors (2083119533916).

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

1101820358820 is a wasteful number, since it uses less digits than its factorization.

1101820358820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60241 (or 60239 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 39.

The spelling of 1101820358820 in words is "one trillion, one hundred one billion, eight hundred twenty million, three hundred fifty-eight thousand, eight hundred twenty".