102021212102211 has 16 divisors (see below), whose sum is σ = 151142797562400. Its totient is φ = 68014023899904.

The previous prime is 102021212102203. The next prime is 102021212102267. The reversal of 102021212102211 is 112201212120201.

102021212102211 is a `hidden beast` number, since 1 + 0 + 20 + 212 + 1 + 210 + 221 + 1 = 666.

It is not a de Polignac number, because 102021212102211 - 2³ = 102021212102203 is a prime.

It is a super-2 number, since 2×102021212102211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102021212100211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14390215 + ... + 20276111.

It is an arithmetic number, because the mean of its divisors is an integer number (9446424847650).

Almost surely, 2^{102021212102211} is an apocalyptic number.

102021212102211 is a deficient number, since it is larger than the sum of its proper divisors (49121585460189).

102021212102211 is an equidigital number, since it uses as much as digits as its factorization.

102021212102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527875 (or 6527869 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102021212102211 its reverse (112201212120201), we get a palindrome (214222424222412).

The spelling of 102021212102211 in words is "one hundred two trillion, twenty-one billion, two hundred twelve million, one hundred two thousand, two hundred eleven".