101221425735 has 32 divisors (see below), whose sum is σ = 168437457408. Its totient is φ = 51864865920.

The previous prime is 101221425727. The next prime is 101221425763. The reversal of 101221425735 is 537524122101.

It is a happy number.

It is not a de Polignac number, because 101221425735 - 2³ = 101221425727 is a prime.

It is a super-2 number, since 2×101221425735² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101221425696 and 101221425705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1246987 + ... + 1325676.

It is an arithmetic number, because the mean of its divisors is an integer number (5263670544).

Almost surely, 2^101221425735 is an apocalyptic number.

101221425735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101221425735 is a deficient number, since it is larger than the sum of its proper divisors (67216031673).

101221425735 is a wasteful number, since it uses less digits than its factorization.

101221425735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572775.

The product of its (nonzero) digits is 16800, while the sum is 33.

Adding to 101221425735 its reverse (537524122101), we get a palindrome (638745547836).

The spelling of 101221425735 in words is "one hundred one billion, two hundred twenty-one million, four hundred twenty-five thousand, seven hundred thirty-five".