101221222010000 has 200 divisors, whose sum is σ = 267852802466304. Its totient is φ = 36877559040000.

The previous prime is 101221222009979. The next prime is 101221222010003. The reversal of 101221222010000 is 10222122101.

It is a tau number, because it is divible by the number of its divisors (200).

It is not an unprimeable number, because it can be changed into a prime (101221222010003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4333532 + ... + 14873531.

Almost surely, 2^{101221222010000} is an apocalyptic number.

101221222010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101221222010000 is an abundant number, since it is smaller than the sum of its proper divisors (166631580456304).

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

101221222010000 is a wasteful number, since it uses less digits than its factorization.

101221222010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19207139 (or 19207118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101221222010000 its reverse (10222122101), we get a palindrome (101231444132101).

The spelling of 101221222010000 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twenty-two million, ten thousand".