10121011212220 has 24 divisors (see below), whose sum is σ = 21254245203744. Its totient is φ = 4048381311936.

The previous prime is 10121011212163. The next prime is 10121011212233. The reversal of 10121011212220 is 2221211012101.

It is a super-3 number, since 3×10121011212220³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121011212194 and 10121011212203.

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, 2379922 + ... + 5089798.

It is an arithmetic number, because the mean of its divisors is an integer number (885593550156).

Almost surely, 2^{10121011212220} is an apocalyptic number.

10121011212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121011212220 is an abundant number, since it is smaller than the sum of its proper divisors (11133233991524).

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

10121011212220 is a wasteful number, since it uses less digits than its factorization.

10121011212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896629 (or 2896627 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10121011212220 its reverse (2221211012101), we get a palindrome (12342222224321).

The spelling of 10121011212220 in words is "ten trillion, one hundred twenty-one billion, eleven million, two hundred twelve thousand, two hundred twenty".