211120201222122 has 32 divisors (see below), whose sum is σ = 422425141443648. Its totient is φ = 70342617073536.

The previous prime is 211120201222121. The next prime is 211120201222123. The reversal of 211120201222122 is 221222102021112.

It is an interprime number because it is at equal distance from previous prime (211120201222121) and next prime (211120201222123).

It is not an unprimeable number, because it can be changed into a prime (211120201222121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129889968 + ... + 131505300.

It is an arithmetic number, because the mean of its divisors is an integer number (13200785670114).

Almost surely, 2^{211120201222122} is an apocalyptic number.

211120201222122 is an abundant number, since it is smaller than the sum of its proper divisors (211304940221526).

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

211120201222122 is a wasteful number, since it uses less digits than its factorization.

211120201222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624854.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211120201222122 its reverse (221222102021112), we get a palindrome (432342303243234).

The spelling of 211120201222122 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred one million, two hundred twenty-two thousand, one hundred twenty-two".