202012212111122 has 8 divisors (see below), whose sum is σ = 346306649333376. Its totient is φ = 86576662333332.

The previous prime is 202012212111113. The next prime is 202012212111131. The reversal of 202012212111122 is 221111212210202.

It is an interprime number because it is at equal distance from previous prime (202012212111113) and next prime (202012212111131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202012212111094 and 202012212111103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7214721861098 + ... + 7214721861125.

It is an arithmetic number, because the mean of its divisors is an integer number (43288331166672).

Almost surely, 2^{202012212111122} is an apocalyptic number.

202012212111122 is a deficient number, since it is larger than the sum of its proper divisors (144294437222254).

202012212111122 is a wasteful number, since it uses less digits than its factorization.

202012212111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14429443722232.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202012212111122 its reverse (221111212210202), we get a palindrome (423123424321324).

The spelling of 202012212111122 in words is "two hundred two trillion, twelve billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty-two".