122112101021102 has 4 divisors (see below), whose sum is σ = 183168151531656. Its totient is φ = 61056050510550.

The previous prime is 122112101021101. The next prime is 122112101021107. The reversal of 122112101021102 is 201120101211221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×122112101021102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112101021101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30528025255274 + ... + 30528025255277.

It is an arithmetic number, because the mean of its divisors is an integer number (45792037882914).

Almost surely, 2^{122112101021102} is an apocalyptic number.

122112101021102 is a deficient number, since it is larger than the sum of its proper divisors (61056050510554).

122112101021102 is an equidigital number, since it uses as much as digits as its factorization.

122112101021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61056050510553.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122112101021102 its reverse (201120101211221), we get a palindrome (323232202232323).

The spelling of 122112101021102 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred one million, twenty-one thousand, one hundred two".