102001211022010 has 16 divisors (see below), whose sum is σ = 189933289489800. Its totient is φ = 39393571153216.

The previous prime is 102001211021917. The next prime is 102001211022077. The reversal of 102001211022010 is 10220112100201.

It can be written as a sum of positive squares in 4 ways, for example, as 94024613963641 + 7976597058369 = 9696629^2 + 2824287^2 .

It is a super-2 number, since 2×102001211022010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175864156645 + ... + 175864157224.

Almost surely, 2^{102001211022010} is an apocalyptic number.

102001211022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102001211022010 is a deficient number, since it is larger than the sum of its proper divisors (87932078467790).

102001211022010 is a wasteful number, since it uses less digits than its factorization.

102001211022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351728313905.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102001211022010 its reverse (10220112100201), we get a palindrome (112221323122211).

The spelling of 102001211022010 in words is "one hundred two trillion, one billion, two hundred eleven million, twenty-two thousand, ten".