1202202222021 has 144 divisors (see below), whose sum is σ = 2001163522176. Its totient is φ = 719709484032.

The previous prime is 1202202222019. The next prime is 1202202222079. The reversal of 1202202222021 is 1202222022021.

1202202222021 is a `hidden beast` number, since 1 + 20 + 220 + 222 + 202 + 1 = 666.

It is not a de Polignac number, because 1202202222021 - 2¹ = 1202202222019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202202221985 and 1202202222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202202222121) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 227989441 + ... + 227994713.

It is an arithmetic number, because the mean of its divisors is an integer number (13896968904).

Almost surely, 2^{1202202222021} is an apocalyptic number.

It is an amenable number.

1202202222021 is a deficient number, since it is larger than the sum of its proper divisors (798961300155).

1202202222021 is a wasteful number, since it uses less digits than its factorization.

1202202222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462 (or 5431 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1202202222021 its reverse (1202222022021), we get a palindrome (2404424244042).

The spelling of 1202202222021 in words is "one trillion, two hundred two billion, two hundred two million, two hundred twenty-two thousand, twenty-one".