101020021222122 has 32 divisors (see below), whose sum is σ = 226711598794560. Its totient is φ = 33339940995600.

The previous prime is 101020021222121. The next prime is 101020021222157. The reversal of 101020021222122 is 221222120020101.

It is a happy number.

101020021222122 is a `hidden beast` number, since 1 + 0 + 10 + 200 + 212 + 221 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101020021222095 and 101020021222104.

It is not an unprimeable number, because it can be changed into a prime (101020021222121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9261089268 + ... + 9261100175.

It is an arithmetic number, because the mean of its divisors is an integer number (7084737462330).

Almost surely, 2^{101020021222122} is an apocalyptic number.

101020021222122 is an abundant number, since it is smaller than the sum of its proper divisors (125691577572438).

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

101020021222122 is a wasteful number, since it uses less digits than its factorization.

101020021222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18522189555 (or 18522189549 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101020021222122 its reverse (221222120020101), we get a palindrome (322242141242223).

The spelling of 101020021222122 in words is "one hundred one trillion, twenty billion, twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".