22010102010 has 144 divisors (see below), whose sum is σ = 62151508224. Its totient is φ = 5401738368.

The previous prime is 22010101973. The next prime is 22010102039. The reversal of 22010102010 is 1020101022.

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 = 22010101983 and 22010102001.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5580099 + ... + 5584041.

It is an arithmetic number, because the mean of its divisors is an integer number (431607696).

Almost surely, 2^22010102010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22010102010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31075754112).

22010102010 is an abundant number, since it is smaller than the sum of its proper divisors (40141406214).

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

22010102010 is a wasteful number, since it uses less digits than its factorization.

22010102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349 (or 4333 counting only the distinct ones).

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

Adding to 22010102010 its reverse (1020101022), we get a palindrome (23030203032).

The spelling of 22010102010 in words is "twenty-two billion, ten million, one hundred two thousand, ten".