10212211122020 has 24 divisors (see below), whose sum is σ = 21445738239744. Its totient is φ = 4084866375776.

The previous prime is 10212211121977. The next prime is 10212211122023. The reversal of 10212211122020 is 2022111221201.

It is a self number, because there is not a number n which added to its sum of digits gives 10212211122020.

It is not an unprimeable number, because it can be changed into a prime (10212211122023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4092749 + ... + 6097131.

It is an arithmetic number, because the mean of its divisors is an integer number (893572426656).

Almost surely, 2^{10212211122020} is an apocalyptic number.

10212211122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212211122020 is an abundant number, since it is smaller than the sum of its proper divisors (11233527117724).

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

10212211122020 is a wasteful number, since it uses less digits than its factorization.

10212211122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259139 (or 2259137 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10212211122020 its reverse (2022111221201), we get a palindrome (12234322343221).

The spelling of 10212211122020 in words is "ten trillion, two hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, twenty".