101120022001020 has 192 divisors, whose sum is σ = 320267977021440. Its totient is φ = 23613718732800.

The previous prime is 101120022001007. The next prime is 101120022001057. The reversal of 101120022001020 is 20100220021101.

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 = 101120022000987 and 101120022001005.

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, 2120364 + ... + 14378316.

It is an arithmetic number, because the mean of its divisors is an integer number (1668062380320).

Almost surely, 2^{101120022001020} is an apocalyptic number.

101120022001020 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 101120022001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160133988510720).

101120022001020 is an abundant number, since it is smaller than the sum of its proper divisors (219147955020420).

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

101120022001020 is a wasteful number, since it uses less digits than its factorization.

101120022001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12258436 (or 12258434 counting only the distinct ones).

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

Adding to 101120022001020 its reverse (20100220021101), we get a palindrome (121220242022121).

The spelling of 101120022001020 in words is "one hundred one trillion, one hundred twenty billion, twenty-two million, one thousand, twenty".