10201012111020 has 24 divisors (see below), whose sum is σ = 28562833911024. Its totient is φ = 2720269896256.

The previous prime is 10201012111001. The next prime is 10201012111021. The reversal of 10201012111020 is 2011121010201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10201012110987 and 10201012111005.

It is not an unprimeable number, because it can be changed into a prime (10201012111021) 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, 85008434199 + ... + 85008434318.

It is an arithmetic number, because the mean of its divisors is an integer number (1190118079626).

Almost surely, 2^{10201012111020} is an apocalyptic number.

10201012111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201012111020 is an abundant number, since it is smaller than the sum of its proper divisors (18361821800004).

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

10201012111020 is a wasteful number, since it uses less digits than its factorization.

10201012111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170016868529 (or 170016868527 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10201012111020 its reverse (2011121010201), we get a palindrome (12212133121221).

The spelling of 10201012111020 in words is "ten trillion, two hundred one billion, twelve million, one hundred eleven thousand, twenty".