1611122200202 has 8 divisors (see below), whose sum is σ = 2500017207300. Its totient is φ = 777783131104.

The previous prime is 1611122200147. The next prime is 1611122200211. The reversal of 1611122200202 is 2020022211161.

It can be written as a sum of positive squares in 2 ways, for example, as 1589916724561 + 21205475641 = 1260919^2 + 145621^2 .

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, 13888984427 + ... + 13888984542.

Almost surely, 2^{1611122200202} is an apocalyptic number.

1611122200202 is a deficient number, since it is larger than the sum of its proper divisors (888895007098).

1611122200202 is a wasteful number, since it uses less digits than its factorization.

1611122200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27777969000.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1611122200202 its reverse (2020022211161), we get a palindrome (3631144411363).

The spelling of 1611122200202 in words is "one trillion, six hundred eleven billion, one hundred twenty-two million, two hundred thousand, two hundred two".