20251142250101 has 12 divisors (see below), whose sum is σ = 23566218536448. Its totient is φ = 17351661777912.

The previous prime is 20251142250089. The next prime is 20251142250127. The reversal of 20251142250101 is 10105224115202.

It is a happy number.

It is not a de Polignac number, because 20251142250101 - 2¹⁰ = 20251142249077 is a prime.

It is a super-3 number, since 3×20251142250101³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20251142250301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76773551 + ... + 77036876.

It is an arithmetic number, because the mean of its divisors is an integer number (1963851544704).

Almost surely, 2^{20251142250101} is an apocalyptic number.

It is an amenable number.

20251142250101 is a deficient number, since it is larger than the sum of its proper divisors (3315076286347).

20251142250101 is a wasteful number, since it uses less digits than its factorization.

20251142250101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153813128 (or 153813121 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 20251142250101 its reverse (10105224115202), we get a palindrome (30356366365303).

The spelling of 20251142250101 in words is "twenty trillion, two hundred fifty-one billion, one hundred forty-two million, two hundred fifty thousand, one hundred one".