10211012111020 has 24 divisors (see below), whose sum is σ = 24506429066784. Its totient is φ = 3500918438016.

The previous prime is 10211012110987. The next prime is 10211012111023. The reversal of 10211012111020 is 2011121011201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10211012111023) 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, 36467900257 + ... + 36467900536.

It is an arithmetic number, because the mean of its divisors is an integer number (1021101211116).

Almost surely, 2^{10211012111020} is an apocalyptic number.

10211012111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211012111020 is an abundant number, since it is smaller than the sum of its proper divisors (14295416955764).

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

10211012111020 is a wasteful number, since it uses less digits than its factorization.

10211012111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72935800809 (or 72935800807 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10211012111020 its reverse (2011121011201), we get a palindrome (12222133122221).

The spelling of 10211012111020 in words is "ten trillion, two hundred eleven billion, twelve million, one hundred eleven thousand, twenty".