390220121011111 has 8 divisors (see below), whose sum is σ = 392252955030000. Its totient is φ = 388190039647488.

The previous prime is 390220121011073. The next prime is 390220121011117. The reversal of 390220121011111 is 111110121022093.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 390220121011111 - 2⁷ = 390220121010983 is a prime.

It is a super-2 number, since 2×390220121011111² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390220121011117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687879556 + ... + 688446601.

It is an arithmetic number, because the mean of its divisors is an integer number (49031619378750).

Almost surely, 2^{390220121011111} is an apocalyptic number.

390220121011111 is a deficient number, since it is larger than the sum of its proper divisors (2032834018889).

390220121011111 is a wasteful number, since it uses less digits than its factorization.

390220121011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376327633.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 390220121011111 in words is "three hundred ninety trillion, two hundred twenty billion, one hundred twenty-one million, eleven thousand, one hundred eleven".