22000021021010 has 16 divisors (see below), whose sum is σ = 40670309131416. Its totient is φ = 8562170343168.

The previous prime is 22000021020961. The next prime is 22000021021019. The reversal of 22000021021010 is 1012012000022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16416540303289 + 5583480717721 = 4051733^2 + 2362939^2 .

It is a super-2 number, since 2×22000021021010² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22000021020982 and 22000021021000.

It is not an unprimeable number, because it can be changed into a prime (22000021021019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29729757767 + ... + 29729758506.

Almost surely, 2^{22000021021010} is an apocalyptic number.

22000021021010 is a deficient number, since it is larger than the sum of its proper divisors (18670288110406).

22000021021010 is a wasteful number, since it uses less digits than its factorization.

22000021021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59459516317.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22000021021010 its reverse (1012012000022), we get a palindrome (23012033021032).

The spelling of 22000021021010 in words is "twenty-two trillion, twenty-one million, twenty-one thousand, ten".