202101103213444 has 12 divisors (see below), whose sum is σ = 353967544379484. Its totient is φ = 100967519105024.

The previous prime is 202101103213441. The next prime is 202101103213481. The reversal of 202101103213444 is 444312301101202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132510303961344 + 69590799252100 = 11511312^2 + 8342110^2 .

It is a super-2 number, since 2×202101103213444² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202101103213441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20758119949 + ... + 20758129684.

It is an arithmetic number, because the mean of its divisors is an integer number (29497295364957).

Almost surely, 2^{202101103213444} is an apocalyptic number.

It is an amenable number.

202101103213444 is a deficient number, since it is larger than the sum of its proper divisors (151866441166040).

202101103213444 is a wasteful number, since it uses less digits than its factorization.

202101103213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41516250854 (or 41516250852 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 202101103213444 its reverse (444312301101202), we get a palindrome (646413404314646).

The spelling of 202101103213444 in words is "two hundred two trillion, one hundred one billion, one hundred three million, two hundred thirteen thousand, four hundred forty-four".