101202021202 has 4 divisors (see below), whose sum is σ = 151803031806. Its totient is φ = 50601010600.

The previous prime is 101202021121. The next prime is 101202021233. The reversal of 101202021202 is 202120202101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202120202101 = 17 ⋅11889423653.

It can be written as a sum of positive squares in only one way, i.e., 87716076561 + 13485944641 = 296169^2 + 116129^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25300505299 + ... + 25300505302.

Almost surely, 2^101202021202 is an apocalyptic number.

101202021202 is a deficient number, since it is larger than the sum of its proper divisors (50601010604).

101202021202 is an equidigital number, since it uses as much as digits as its factorization.

101202021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50601010603.

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

Adding to 101202021202 its reverse (202120202101), we get a palindrome (303322223303).

The spelling of 101202021202 in words is "one hundred one billion, two hundred two million, twenty-one thousand, two hundred two".