2011122222002 has 8 divisors (see below), whose sum is σ = 3120706896300. Its totient is φ = 970886589904.

The previous prime is 2011122221993. The next prime is 2011122222097. The reversal of 2011122222002 is 2002222211102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1767035831401 + 244086390601 = 1329299^2 + 494051^2 .

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

It is a super-2 number, since 2×2011122222002² (a number of 25 digits) contains 22 as substring.

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, 17337260477 + ... + 17337260592.

Almost surely, 2^{2011122222002} is an apocalyptic number.

2011122222002 is a deficient number, since it is larger than the sum of its proper divisors (1109584674298).

2011122222002 is a wasteful number, since it uses less digits than its factorization.

2011122222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34674521100.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2011122222002 its reverse (2002222211102), we get a palindrome (4013344433104).

The spelling of 2011122222002 in words is "two trillion, eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, two".