102010021211 has 8 divisors (see below), whose sum is σ = 123440698080. Its totient is φ = 82293798528.

The previous prime is 102010021207. The next prime is 102010021241. The reversal of 102010021211 is 112120010201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102010021211 - 2² = 102010021207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102010021192 and 102010021201.

It is not an unprimeable number, because it can be changed into a prime (102010021241) 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, 428613416 + ... + 428613653.

It is an arithmetic number, because the mean of its divisors is an integer number (15430087260).

Almost surely, 2^102010021211 is an apocalyptic number.

102010021211 is a deficient number, since it is larger than the sum of its proper divisors (21430676869).

102010021211 is an equidigital number, since it uses as much as digits as its factorization.

102010021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857227093.

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

Adding to 102010021211 its reverse (112120010201), we get a palindrome (214130031412).

The spelling of 102010021211 in words is "one hundred two billion, ten million, twenty-one thousand, two hundred eleven".