122101221021099 has 32 divisors (see below), whose sum is σ = 175333830448896. Its totient is φ = 75303919088640.

The previous prime is 122101221021097. The next prime is 122101221021119. The reversal of 122101221021099 is 990120122101221.

It is not a de Polignac number, because 122101221021099 - 2¹ = 122101221021097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122101221021097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37534117 + ... + 40657254.

It is an arithmetic number, because the mean of its divisors is an integer number (5479182201528).

Almost surely, 2^{122101221021099} is an apocalyptic number.

122101221021099 is a deficient number, since it is larger than the sum of its proper divisors (53232609427797).

122101221021099 is a wasteful number, since it uses less digits than its factorization.

122101221021099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78191915.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 122101221021099 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twenty-one million, twenty-one thousand, ninety-nine".