10101211022020 has 12 divisors (see below), whose sum is σ = 21212543146284. Its totient is φ = 4040484408800.

The previous prime is 10101211021969. The next prime is 10101211022029. The reversal of 10101211022020 is 2022011210101.

It can be written as a sum of positive squares in 2 ways, for example, as 1412299313604 + 8688911708416 = 1188402^2 + 2947696^2 .

It is a super-2 number, since 2×10101211022020² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10101211022029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252530275531 + ... + 252530275570.

It is an arithmetic number, because the mean of its divisors is an integer number (1767711928857).

Almost surely, 2^{10101211022020} is an apocalyptic number.

10101211022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101211022020 is an abundant number, since it is smaller than the sum of its proper divisors (11111332124264).

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

10101211022020 is a wasteful number, since it uses less digits than its factorization.

10101211022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505060551110 (or 505060551108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10101211022020 its reverse (2022011210101), we get a palindrome (12123222232121).

The spelling of 10101211022020 in words is "ten trillion, one hundred one billion, two hundred eleven million, twenty-two thousand, twenty".