102001012211 has 32 divisors (see below), whose sum is σ = 118313395200. Its totient is φ = 86136186240.

The previous prime is 102001012103. The next prime is 102001012301. The reversal of 102001012211 is 112210100201.

It is a cyclic number.

It is not a de Polignac number, because 102001012211 - 2²⁶ = 101933903347 is a prime.

It is a super-2 number, since 2×102001012211² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102001012192 and 102001012201.

It is not an unprimeable number, because it can be changed into a prime (102001012511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95955266 + ... + 95956328.

It is an arithmetic number, because the mean of its divisors is an integer number (3697293600).

Almost surely, 2^102001012211 is an apocalyptic number.

102001012211 is a deficient number, since it is larger than the sum of its proper divisors (16312382989).

102001012211 is a wasteful number, since it uses less digits than its factorization.

102001012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102001012211 its reverse (112210100201), we get a palindrome (214211112412).

The spelling of 102001012211 in words is "one hundred two billion, one million, twelve thousand, two hundred eleven".