102022021221211 has 24 divisors (see below), whose sum is σ = 127820263406640. Its totient is φ = 80712852760512.

The previous prime is 102022021221151. The next prime is 102022021221233. The reversal of 102022021221211 is 112122120220201.

It is not a de Polignac number, because 102022021221211 - 2⁷ = 102022021221083 is a prime.

It is a super-2 number, since 2×102022021221211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102022021221271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1259676 + ... + 14339833.

It is an arithmetic number, because the mean of its divisors is an integer number (5325844308610).

Almost surely, 2^{102022021221211} is an apocalyptic number.

102022021221211 is a deficient number, since it is larger than the sum of its proper divisors (25798242185429).

102022021221211 is a wasteful number, since it uses less digits than its factorization.

102022021221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15609803 (or 15609796 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102022021221211 its reverse (112122120220201), we get a palindrome (214144141441412).

The spelling of 102022021221211 in words is "one hundred two trillion, twenty-two billion, twenty-one million, two hundred twenty-one thousand, two hundred eleven".