212131101202 has 4 divisors (see below), whose sum is σ = 318196651806. Its totient is φ = 106065550600.

The previous prime is 212131101163. The next prime is 212131101239. The reversal of 212131101202 is 202101131212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 191582165401 + 20548935801 = 437701^2 + 143349^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53032775299 + ... + 53032775302.

Almost surely, 2^212131101202 is an apocalyptic number.

212131101202 is a deficient number, since it is larger than the sum of its proper divisors (106065550604).

212131101202 is a wasteful number, since it uses less digits than its factorization.

212131101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106065550603.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212131101202 its reverse (202101131212), we get a palindrome (414232232414).

The spelling of 212131101202 in words is "two hundred twelve billion, one hundred thirty-one million, one hundred one thousand, two hundred two".