22011001210 has 64 divisors (see below), whose sum is σ = 43623360000. Its totient is φ = 7929812800.

The previous prime is 22011001153. The next prime is 22011001211. The reversal of 22011001210 is 1210011022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22011001211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14683041 + ... + 14684539.

It is an arithmetic number, because the mean of its divisors is an integer number (681615000).

Almost surely, 2^22011001210 is an apocalyptic number.

22011001210 is a deficient number, since it is larger than the sum of its proper divisors (21612358790).

22011001210 is a wasteful number, since it uses less digits than its factorization.

22011001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22011001210 its reverse (1210011022), we get a palindrome (23221012232).

The spelling of 22011001210 in words is "twenty-two billion, eleven million, one thousand, two hundred ten".