101020001222 has 128 divisors (see below), whose sum is σ = 188179200000. Its totient is φ = 40584813696.

The previous prime is 101020001213. The next prime is 101020001279. The reversal of 101020001222 is 222100020101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 230113679 + ... + 230114117.

It is an arithmetic number, because the mean of its divisors is an integer number (1470150000).

Almost surely, 2^101020001222 is an apocalyptic number.

101020001222 is a deficient number, since it is larger than the sum of its proper divisors (87159198778).

101020001222 is a wasteful number, since it uses less digits than its factorization.

101020001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 789 counting only the distinct ones).

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

Adding to 101020001222 its reverse (222100020101), we get a palindrome (323120021323).

The spelling of 101020001222 in words is "one hundred one billion, twenty million, one thousand, two hundred twenty-two".