1211001022202 has 8 divisors (see below), whose sum is σ = 1879139517300. Its totient is φ = 584621183104.

The previous prime is 1211001022159. The next prime is 1211001022229. The reversal of 1211001022202 is 2022201001121.

It can be written as a sum of positive squares in 2 ways, for example, as 1207688904601 + 3312117601 = 1098949^2 + 57551^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10439663927 + ... + 10439664042.

Almost surely, 2^{1211001022202} is an apocalyptic number.

1211001022202 is a deficient number, since it is larger than the sum of its proper divisors (668138495098).

1211001022202 is a wasteful number, since it uses less digits than its factorization.

1211001022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20879328000.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1211001022202 its reverse (2022201001121), we get a palindrome (3233202023323).

The spelling of 1211001022202 in words is "one trillion, two hundred eleven billion, one million, twenty-two thousand, two hundred two".