202012111402 has 4 divisors (see below), whose sum is σ = 303018167106. Its totient is φ = 101006055700.

The previous prime is 202012111387. The next prime is 202012111421. The reversal of 202012111402 is 204111210202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204111210202 = 2 ⋅102055605101.

It can be written as a sum of positive squares in only one way, i.e., 161018415441 + 40993695961 = 401271^2 + 202469^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50503027849 + ... + 50503027852.

Almost surely, 2^202012111402 is an apocalyptic number.

202012111402 is a deficient number, since it is larger than the sum of its proper divisors (101006055704).

202012111402 is a wasteful number, since it uses less digits than its factorization.

202012111402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101006055703.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202012111402 its reverse (204111210202), we get a palindrome (406123321604).

The spelling of 202012111402 in words is "two hundred two billion, twelve million, one hundred eleven thousand, four hundred two".