101223031966 has 32 divisors (see below), whose sum is σ = 185946243840. Its totient is φ = 40337529216.

The previous prime is 101223031951. The next prime is 101223031967. The reversal of 101223031966 is 669130322101.

It is a super-2 number, since 2×101223031966² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101223031967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2542336 + ... + 2581843.

It is an arithmetic number, because the mean of its divisors is an integer number (5810820120).

Almost surely, 2^101223031966 is an apocalyptic number.

101223031966 is a deficient number, since it is larger than the sum of its proper divisors (84723211874).

101223031966 is a wasteful number, since it uses less digits than its factorization.

101223031966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124288.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 101223031966 in words is "one hundred one billion, two hundred twenty-three million, thirty-one thousand, nine hundred sixty-six".