1202220002021 has 8 divisors (see below), whose sum is σ = 1203824292384. Its totient is φ = 1200616013520.

The previous prime is 1202220001981. The next prime is 1202220002129. The reversal of 1202220002021 is 1202000222021.

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

It is a de Polignac number, because none of the positive numbers 2^k-1202220002021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202220001987 and 1202220002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202220002821) 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, 8548751 + ... + 8688243.

It is an arithmetic number, because the mean of its divisors is an integer number (150478036548).

Almost surely, 2^{1202220002021} is an apocalyptic number.

It is an amenable number.

1202220002021 is a deficient number, since it is larger than the sum of its proper divisors (1604290363).

1202220002021 is a wasteful number, since it uses less digits than its factorization.

1202220002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150931.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1202220002021 its reverse (1202000222021), we get a palindrome (2404220224042).

The spelling of 1202220002021 in words is "one trillion, two hundred two billion, two hundred twenty million, two thousand, twenty-one".