1202220222021 has 96 divisors (see below), whose sum is σ = 2195814286848. Its totient is φ = 616782988800.

The previous prime is 1202220222011. The next prime is 1202220222023.

1202220222021 is a `hidden beast` number, since 1 + 202 + 220 + 2 + 220 + 21 = 666.

1202220222021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1202220222021 - 2⁶ = 1202220221957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202220221985 and 1202220222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202220222023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 121419171 + ... + 121429071.

It is an arithmetic number, because the mean of its divisors is an integer number (22873065488).

Almost surely, 2^{1202220222021} is an apocalyptic number.

It is an amenable number.

1202220222021 is a deficient number, since it is larger than the sum of its proper divisors (993594064827).

1202220222021 is a wasteful number, since it uses less digits than its factorization.

1202220222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13971 (or 13968 counting only the distinct ones).

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

It can be divided in two parts, 1202220 and 222021, that added together give a palindrome (1424241).

The spelling of 1202220222021 in words is "one trillion, two hundred two billion, two hundred twenty million, two hundred twenty-two thousand, twenty-one".