101210022 has 24 divisors (see below), whose sum is σ = 225216576. Its totient is φ = 32824656.

The previous prime is 101209991. The next prime is 101210077. The reversal of 101210022 is 220012101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101209986 and 101210013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75318 + ... + 76649.

It is an arithmetic number, because the mean of its divisors is an integer number (9384024).

Almost surely, 2^101210022 is an apocalyptic number.

101210022 is an abundant number, since it is smaller than the sum of its proper divisors (124006554).

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

101210022 is a wasteful number, since it uses less digits than its factorization.

101210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152012 (or 152009 counting only the distinct ones).

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

The square root of 101210022 is about 10060.3191798272. The cubic root of 101210022 is about 466.0235241429.

Adding to 101210022 its reverse (220012101), we get a palindrome (321222123).

The spelling of 101210022 in words is "one hundred one million, two hundred ten thousand, twenty-two".