102022211002221 has 48 divisors (see below), whose sum is σ = 151288526852736. Its totient is φ = 66229014763008.

The previous prime is 102022211002219. The next prime is 102022211002237. The reversal of 102022211002221 is 122200112220201.

It is a happy number.

102022211002221 is a `hidden beast` number, since 10 + 202 + 221 + 10 + 0 + 2 + 221 = 666.

It is not a de Polignac number, because 102022211002221 - 2¹ = 102022211002219 is a prime.

It is a super-2 number, since 2×102022211002221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102022211002194 and 102022211002203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022211002721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78259881 + ... + 79552833.

It is an arithmetic number, because the mean of its divisors is an integer number (3151844309432).

Almost surely, 2^{102022211002221} is an apocalyptic number.

It is an amenable number.

102022211002221 is a deficient number, since it is larger than the sum of its proper divisors (49266315850515).

102022211002221 is a wasteful number, since it uses less digits than its factorization.

102022211002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294562 (or 1294559 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102022211002221 its reverse (122200112220201), we get a palindrome (224222323222422).

The spelling of 102022211002221 in words is "one hundred two trillion, twenty-two billion, two hundred eleven million, two thousand, two hundred twenty-one".