2101120001022 has 32 divisors (see below), whose sum is σ = 4813651406592. Its totient is φ = 598933574784.

The previous prime is 2101120000997. The next prime is 2101120001023. The reversal of 2101120001022 is 2201000211012.

It is a junction number, because it is equal to n+sod(n) for n = 2101120000989 and 2101120001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101120001023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57749328 + ... + 57785699.

It is an arithmetic number, because the mean of its divisors is an integer number (150426606456).

Almost surely, 2^{2101120001022} is an apocalyptic number.

2101120001022 is an abundant number, since it is smaller than the sum of its proper divisors (2712531405570).

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

2101120001022 is a wasteful number, since it uses less digits than its factorization.

2101120001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115535472.

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

Adding to 2101120001022 its reverse (2201000211012), we get a palindrome (4302120212034).

The spelling of 2101120001022 in words is "two trillion, one hundred one billion, one hundred twenty million, one thousand, twenty-two".