122110001111021 has 12 divisors (see below), whose sum is σ = 153394381562016. Its totient is φ = 95150650215720.

The previous prime is 122110001111011. The next prime is 122110001111053. The reversal of 122110001111021 is 120111100011221.

It is not a de Polignac number, because 122110001111021 - 2¹⁰ = 122110001109997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122110001110987 and 122110001111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110001111011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72083825075 + ... + 72083826768.

It is an arithmetic number, because the mean of its divisors is an integer number (12782865130168).

Almost surely, 2^{122110001111021} is an apocalyptic number.

122110001111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122110001111021 is a deficient number, since it is larger than the sum of its proper divisors (31284380450995).

122110001111021 is a wasteful number, since it uses less digits than its factorization.

122110001111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144167651872 (or 144167651861 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 122110001111021 its reverse (120111100011221), we get a palindrome (242221101122242).

The spelling of 122110001111021 in words is "one hundred twenty-two trillion, one hundred ten billion, one million, one hundred eleven thousand, twenty-one".