1201111210202 has 16 divisors (see below), whose sum is σ = 1863852645960. Its totient is φ = 579828314688.

The previous prime is 1201111210171. The next prime is 1201111210223. The reversal of 1201111210202 is 2020121111021.

It can be written as a sum of positive squares in 4 ways, for example, as 1015497582961 + 185613627241 = 1007719^2 + 430829^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602728 + ... + 2229564.

Almost surely, 2^{1201111210202} is an apocalyptic number.

1201111210202 is a deficient number, since it is larger than the sum of its proper divisors (662741435758).

1201111210202 is a wasteful number, since it uses less digits than its factorization.

1201111210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659905.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201111210202 its reverse (2020121111021), we get a palindrome (3221232321223).

The spelling of 1201111210202 in words is "one trillion, two hundred one billion, one hundred eleven million, two hundred ten thousand, two hundred two".