101222201000 has 32 divisors (see below), whose sum is σ = 236859952680. Its totient is φ = 40488880000.

The previous prime is 101222200999. The next prime is 101222201027. The reversal of 101222201000 is 102222101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9639705124 + 91582495876 = 98182^2 + 302626^2 .

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, 50610101 + ... + 50612100.

Almost surely, 2^101222201000 is an apocalyptic number.

101222201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222201000 is an abundant number, since it is smaller than the sum of its proper divisors (135637751680).

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

101222201000 is a wasteful number, since it uses less digits than its factorization.

101222201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101222222 (or 101222208 counting only the distinct ones).

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

Adding to 101222201000 its reverse (102222101), we get a palindrome (101324423101).

It can be divided in two parts, 10122 and 2201000, that added together give a palindrome (2211122).

The spelling of 101222201000 in words is "one hundred one billion, two hundred twenty-two million, two hundred one thousand".