101002212120144 has 40 divisors (see below), whose sum is σ = 260946424154592. Its totient is φ = 33664301737600.

The previous prime is 101002212120143. The next prime is 101002212120209. The reversal of 101002212120144 is 441021212200101.

It is a self number, because there is not a number n which added to its sum of digits gives 101002212120144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101002212120143) 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, 96420582 + ... + 97462469.

Almost surely, 2^{101002212120144} is an apocalyptic number.

It is an amenable number.

101002212120144 is an abundant number, since it is smaller than the sum of its proper divisors (159944212034448).

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

101002212120144 is a wasteful number, since it uses less digits than its factorization.

101002212120144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193893915 (or 193893909 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 101002212120144 its reverse (441021212200101), we get a palindrome (542023424320245).

The spelling of 101002212120144 in words is "one hundred one trillion, two billion, two hundred twelve million, one hundred twenty thousand, one hundred forty-four".