101213222990 has 16 divisors (see below), whose sum is σ = 198745965360. Its totient is φ = 36804808320.

The previous prime is 101213222939. The next prime is 101213222993. The reversal of 101213222990 is 99222312101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213222993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460059995 + ... + 460060214.

It is an arithmetic number, because the mean of its divisors is an integer number (12421622835).

Almost surely, 2^101213222990 is an apocalyptic number.

101213222990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101213222990 is a deficient number, since it is larger than the sum of its proper divisors (97532742370).

101213222990 is a wasteful number, since it uses less digits than its factorization.

101213222990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920120227.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 101213222990 in words is "one hundred one billion, two hundred thirteen million, two hundred twenty-two thousand, nine hundred ninety".