1121010102020 has 24 divisors (see below), whose sum is σ = 2389257354624. Its totient is φ = 441711442656.

The previous prime is 1121010102001. The next prime is 1121010102073. The reversal of 1121010102020 is 202010101211.

It is a super-3 number, since 3×1121010102020³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121010101992 and 1121010102010.

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, 418286012 + ... + 418288691.

It is an arithmetic number, because the mean of its divisors is an integer number (99552389776).

Almost surely, 2^{1121010102020} is an apocalyptic number.

1121010102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121010102020 is an abundant number, since it is smaller than the sum of its proper divisors (1268247252604).

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

1121010102020 is a wasteful number, since it uses less digits than its factorization.

1121010102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836574779 (or 836574777 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1121010102020 its reverse (202010101211), we get a palindrome (1323020203231).

The spelling of 1121010102020 in words is "one trillion, one hundred twenty-one billion, ten million, one hundred two thousand, twenty".