122121010020222 has 48 divisors (see below), whose sum is σ = 276116471343648. Its totient is φ = 38934764890560.

The previous prime is 122121010020197. The next prime is 122121010020263. The reversal of 122121010020222 is 222020010121221.

It is a happy number.

122121010020222 is a `hidden beast` number, since 1 + 221 + 210 + 10 + 0 + 2 + 0 + 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 = 122121010020195 and 122121010020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2152729 + ... + 15775812.

It is an arithmetic number, because the mean of its divisors is an integer number (5752426486326).

Almost surely, 2^{122121010020222} is an apocalyptic number.

122121010020222 is an abundant number, since it is smaller than the sum of its proper divisors (153995461323426).

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

122121010020222 is a wasteful number, since it uses less digits than its factorization.

122121010020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17945025 (or 17945022 counting only the distinct ones).

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

Adding to 122121010020222 its reverse (222020010121221), we get a palindrome (344141020141443).

The spelling of 122121010020222 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, ten million, twenty thousand, two hundred twenty-two".