202111402 has 16 divisors (see below), whose sum is σ = 322865352. Its totient is φ = 94558720.

The previous prime is 202111387. The next prime is 202111409. The reversal of 202111402 is 204111202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 196308121 + 5803281 = 14011^2 + 2409^2 .

It is not an unprimeable number, because it can be changed into a prime (202111409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11299 + ... + 23062.

Almost surely, 2^202111402 is an apocalyptic number.

202111402 is a deficient number, since it is larger than the sum of its proper divisors (120753950).

202111402 is a wasteful number, since it uses less digits than its factorization.

202111402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34553.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 202111402 is about 14216.5889720425. The cubic root of 202111402 is about 586.8542736057.

Adding to 202111402 its reverse (204111202), we get a palindrome (406222604).

The spelling of 202111402 in words is "two hundred two million, one hundred eleven thousand, four hundred two".