1012220022121 has 8 divisors (see below), whose sum is σ = 1261988599104. Its totient is φ = 788742874320.

The previous prime is 1012220022109. The next prime is 1012220022127. The reversal of 1012220022121 is 1212200222101.

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 1012220022121 - 2²⁹ = 1011683151209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012220022095 and 1012220022104.

It is not an unprimeable number, because it can be changed into a prime (1012220022127) 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, 6572857210 + ... + 6572857363.

It is an arithmetic number, because the mean of its divisors is an integer number (157748574888).

Almost surely, 2^{1012220022121} is an apocalyptic number.

1012220022121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012220022121 is a deficient number, since it is larger than the sum of its proper divisors (249768576983).

1012220022121 is a wasteful number, since it uses less digits than its factorization.

1012220022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145714591.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012220022121 its reverse (1212200222101), we get a palindrome (2224420244222).

The spelling of 1012220022121 in words is "one trillion, twelve billion, two hundred twenty million, twenty-two thousand, one hundred twenty-one".