22101002010 has 32 divisors (see below), whose sum is σ = 58936006080. Its totient is φ = 5893600464.

The previous prime is 22101002003. The next prime is 22101002029. The reversal of 22101002010 is 1020010122.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22101001983 and 22101002001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40927512 + ... + 40928051.

It is an arithmetic number, because the mean of its divisors is an integer number (1841750190).

Almost surely, 2^22101002010 is an apocalyptic number.

22101002010 is an abundant number, since it is smaller than the sum of its proper divisors (36835004070).

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

22101002010 is a wasteful number, since it uses less digits than its factorization.

22101002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81855579 (or 81855573 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22101002010 its reverse (1020010122), we get a palindrome (23121012132).

The spelling of 22101002010 in words is "twenty-two billion, one hundred one million, two thousand, ten".