122020221 has 16 divisors (see below), whose sum is σ = 171457920. Its totient is φ = 77035200.

The previous prime is 122020211. The next prime is 122020229.

122020221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122020221 - 2¹³ = 122012029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122020197 and 122020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020229) 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, 1786 + ... + 15723.

It is an arithmetic number, because the mean of its divisors is an integer number (10716120).

Almost surely, 2^122020221 is an apocalyptic number.

It is an amenable number.

122020221 is a deficient number, since it is larger than the sum of its proper divisors (49437699).

122020221 is a wasteful number, since it uses less digits than its factorization.

122020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17636.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 122020221 is about 11046.2763409214. The cubic root of 122020221 is about 495.9949664010.

The spelling of 122020221 in words is "one hundred twenty-two million, twenty thousand, two hundred twenty-one".