101201010020220 has 192 divisors, whose sum is σ = 312200055240192. Its totient is φ = 24289399680000.

The previous prime is 101201010020179. The next prime is 101201010020239. The reversal of 101201010020220 is 22020010102101.

It is a super-2 number, since 2×101201010020220² (a number of 29 digits) contains 22 as substring.

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 = 101201010020196 and 101201010020205.

It is a congruent number.

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, 2126896830 + ... + 2126944410.

It is an arithmetic number, because the mean of its divisors is an integer number (1626041954376).

Almost surely, 2^{101201010020220} is an apocalyptic number.

101201010020220 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 101201010020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156100027620096).

101201010020220 is an abundant number, since it is smaller than the sum of its proper divisors (210999045219972).

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

101201010020220 is a wasteful number, since it uses less digits than its factorization.

101201010020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79612 (or 79610 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101201010020220 its reverse (22020010102101), we get a palindrome (123221020122321).

The spelling of 101201010020220 in words is "one hundred one trillion, two hundred one billion, ten million, twenty thousand, two hundred twenty".