101221111850026 has 32 divisors (see below), whose sum is σ = 174048168310272. Its totient is φ = 43248983564160.

The previous prime is 101221111850003. The next prime is 101221111850041. The reversal of 101221111850026 is 620058111122101.

It is a self number, because there is not a number n which added to its sum of digits gives 101221111850026.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13710136 + ... + 19758796.

It is an arithmetic number, because the mean of its divisors is an integer number (5439005259696).

Almost surely, 2^{101221111850026} is an apocalyptic number.

101221111850026 is a deficient number, since it is larger than the sum of its proper divisors (72827056460246).

101221111850026 is a wasteful number, since it uses less digits than its factorization.

101221111850026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052294.

The product of its (nonzero) digits is 1920, while the sum is 31.

Adding to 101221111850026 its reverse (620058111122101), we get a palindrome (721279222972127).

The spelling of 101221111850026 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred eleven million, eight hundred fifty thousand, twenty-six".