1022222311202 has 4 divisors (see below), whose sum is σ = 1533333466806. Its totient is φ = 511111155600.

The previous prime is 1022222311189. The next prime is 1022222311217. The reversal of 1022222311202 is 2021132222201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 728955656521 + 293266654681 = 853789^2 + 541541^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255555577799 + ... + 255555577802.

Almost surely, 2^{1022222311202} is an apocalyptic number.

1022222311202 is a deficient number, since it is larger than the sum of its proper divisors (511111155604).

1022222311202 is an equidigital number, since it uses as much as digits as its factorization.

1022222311202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511111155603.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1022222311202 its reverse (2021132222201), we get a palindrome (3043354533403).

The spelling of 1022222311202 in words is "one trillion, twenty-two billion, two hundred twenty-two million, three hundred eleven thousand, two hundred two".