101020020122220 has 192 divisors, whose sum is σ = 299755573641216. Its totient is φ = 25389646007040.

The previous prime is 101020020122201. The next prime is 101020020122261. The reversal of 101020020122220 is 22221020020101.

101020020122220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101020020122220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2742657 + ... + 14476263.

It is an arithmetic number, because the mean of its divisors is an integer number (1561226946048).

Almost surely, 2^{101020020122220} is an apocalyptic number.

101020020122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101020020122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149877786820608).

101020020122220 is an abundant number, since it is smaller than the sum of its proper divisors (198735553518996).

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

101020020122220 is a wasteful number, since it uses less digits than its factorization.

101020020122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11733780 (or 11733778 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 101020020122220 its reverse (22221020020101), we get a palindrome (123241040142321).

The spelling of 101020020122220 in words is "one hundred one trillion, twenty billion, twenty million, one hundred twenty-two thousand, two hundred twenty".