10101222000 has 480 divisors, whose sum is σ = 37554828480. Its totient is φ = 2525644800.

The previous prime is 10101221957. The next prime is 10101222013. The reversal of 10101222000 is 22210101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19313739 + ... + 19314261.

It is an arithmetic number, because the mean of its divisors is an integer number (78239226).

Almost surely, 2^10101222000 is an apocalyptic number.

10101222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10101222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18777414240).

10101222000 is an abundant number, since it is smaller than the sum of its proper divisors (27453606480).

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

10101222000 is a wasteful number, since it uses less digits than its factorization.

10101222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10101222000 its reverse (22210101), we get a palindrome (10123432101).

The spelling of 10101222000 in words is "ten billion, one hundred one million, two hundred twenty-two thousand".