122021010011 has 4 divisors (see below), whose sum is σ = 123100842072. Its totient is φ = 120941177952.

The previous prime is 122021009983. The next prime is 122021010031. The reversal of 122021010011 is 110010120221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110010120221 = 5903 ⋅18636307.

It is a cyclic number.

It is not a de Polignac number, because 122021010011 - 2³⁰ = 120947268187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122021009974 and 122021010001.

It is not an unprimeable number, because it can be changed into a prime (122021010031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539915861 + ... + 539916086.

It is an arithmetic number, because the mean of its divisors is an integer number (30775210518).

Almost surely, 2^122021010011 is an apocalyptic number.

122021010011 is a deficient number, since it is larger than the sum of its proper divisors (1079832061).

122021010011 is a wasteful number, since it uses less digits than its factorization.

122021010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079832060.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122021010011 its reverse (110010120221), we get a palindrome (232031130232).

The spelling of 122021010011 in words is "one hundred twenty-two billion, twenty-one million, ten thousand, eleven".