202120100112222 has 64 divisors (see below), whose sum is σ = 453639170822400. Its totient is φ = 66700964570400.

The previous prime is 202120100112209. The next prime is 202120100112277. The reversal of 202120100112222 is 222211001021202.

It is a happy number.

202120100112222 is a `hidden beast` number, since 20 + 212 + 0 + 100 + 112 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202120100112195 and 202120100112204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66954529 + ... + 69908147.

It is an arithmetic number, because the mean of its divisors is an integer number (7088112044100).

Almost surely, 2^{202120100112222} is an apocalyptic number.

202120100112222 is an abundant number, since it is smaller than the sum of its proper divisors (251519070710178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202120100112222 is a wasteful number, since it uses less digits than its factorization.

202120100112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966278 (or 2966272 counting only the distinct ones).

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

Adding to 202120100112222 its reverse (222211001021202), we get a palindrome (424331101133424).

The spelling of 202120100112222 in words is "two hundred two trillion, one hundred twenty billion, one hundred million, one hundred twelve thousand, two hundred twenty-two".