101202221000 has 32 divisors (see below), whose sum is σ = 236813199480. Its totient is φ = 40480888000.

The previous prime is 101202220997. The next prime is 101202221027. The reversal of 101202221000 is 122202101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18086484196 + 83115736804 = 134486^2 + 288298^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50600111 + ... + 50602110.

Almost surely, 2^101202221000 is an apocalyptic number.

101202221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101202221000 is an abundant number, since it is smaller than the sum of its proper divisors (135610978480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101202221000 is a wasteful number, since it uses less digits than its factorization.

101202221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101202242 (or 101202228 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101202221000 its reverse (122202101), we get a palindrome (101324423101).

The spelling of 101202221000 in words is "one hundred one billion, two hundred two million, two hundred twenty-one thousand".