1022202221121 has 64 divisors (see below), whose sum is σ = 1545726662400. Its totient is φ = 667460736000.

The previous prime is 1022202221101. The next prime is 1022202221143. The reversal of 1022202221121 is 1211222022201.

It is a happy number.

1022202221121 is a `hidden beast` number, since 102 + 220 + 2 + 221 + 121 = 666.

It is not a de Polignac number, because 1022202221121 - 2⁷ = 1022202220993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022202221094 and 1022202221103.

It is not an unprimeable number, because it can be changed into a prime (1022202221101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 547509630 + ... + 547511496.

It is an arithmetic number, because the mean of its divisors is an integer number (24151979100).

Almost surely, 2^{1022202221121} is an apocalyptic number.

It is an amenable number.

1022202221121 is a deficient number, since it is larger than the sum of its proper divisors (523524441279).

1022202221121 is a wasteful number, since it uses less digits than its factorization.

1022202221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167 (or 3161 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1022202221121 its reverse (1211222022201), we get a palindrome (2233424243322).

The spelling of 1022202221121 in words is "one trillion, twenty-two billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-one".