2202122111021 has 8 divisors (see below), whose sum is σ = 2517116758464. Its totient is φ = 1887228907200.

The previous prime is 2202122111009. The next prime is 2202122111047. The reversal of 2202122111021 is 1201112212022.

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

It is not a de Polignac number, because 2202122111021 - 2⁶ = 2202122110957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202122111221) 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, 25314380 + ... + 25401221.

It is an arithmetic number, because the mean of its divisors is an integer number (314639594808).

Almost surely, 2^{2202122111021} is an apocalyptic number.

It is an amenable number.

2202122111021 is a deficient number, since it is larger than the sum of its proper divisors (314994647443).

2202122111021 is an equidigital number, since it uses as much as digits as its factorization.

2202122111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50721811.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2202122111021 its reverse (1201112212022), we get a palindrome (3403234323043).

The spelling of 2202122111021 in words is "two trillion, two hundred two billion, one hundred twenty-two million, one hundred eleven thousand, twenty-one".