202122053146 has 16 divisors (see below), whose sum is σ = 345711023784. Its totient is φ = 87799624704.

The previous prime is 202122053123. The next prime is 202122053153. The reversal of 202122053146 is 641350221202.

It can be written as a sum of positive squares in 4 ways, for example, as 140033872521 + 62088180625 = 374211^2 + 249175^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228644415 + ... + 228645298.

Almost surely, 2^202122053146 is an apocalyptic number.

202122053146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

202122053146 is a deficient number, since it is larger than the sum of its proper divisors (143588970638).

202122053146 is a wasteful number, since it uses less digits than its factorization.

202122053146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457289745.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 202122053146 its reverse (641350221202), we get a palindrome (843472274348).

The spelling of 202122053146 in words is "two hundred two billion, one hundred twenty-two million, fifty-three thousand, one hundred forty-six".