22002121020010 has 16 divisors (see below), whose sum is σ = 39604463524872. Its totient is φ = 8800704921600.

The previous prime is 22002121020007. The next prime is 22002121020107. The reversal of 22002121020010 is 1002012120022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14003185178889 + 7998935841121 = 3742083^2 + 2828239^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17290671 + ... + 18519490.

Almost surely, 2^{22002121020010} is an apocalyptic number.

22002121020010 is a deficient number, since it is larger than the sum of its proper divisors (17602342504862).

22002121020010 is a wasteful number, since it uses less digits than its factorization.

22002121020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35871609.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22002121020010 its reverse (1002012120022), we get a palindrome (23004133140032).

The spelling of 22002121020010 in words is "twenty-two trillion, two billion, one hundred twenty-one million, twenty thousand, ten".