101222121222020 has 192 divisors, whose sum is σ = 220639171415040. Its totient is φ = 38985154560000.

The previous prime is 101222121222011. The next prime is 101222121222077. The reversal of 101222121222020 is 20222121222101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101222121221983 and 101222121222001.

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, 10223419070 + ... + 10223428970.

It is an arithmetic number, because the mean of its divisors is an integer number (1149162351120).

Almost surely, 2^{101222121222020} is an apocalyptic number.

101222121222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222121222020 is an abundant number, since it is smaller than the sum of its proper divisors (119417050193020).

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

101222121222020 is a wasteful number, since it uses less digits than its factorization.

101222121222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10734 (or 10732 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 101222121222020 its reverse (20222121222101), we get a palindrome (121444242444121).

The spelling of 101222121222020 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty".