101100212501 has 2 divisors, whose sum is σ = 101100212502. Its totient is φ = 101100212500.

The previous prime is 101100212489. The next prime is 101100212527. The reversal of 101100212501 is 105212001101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63038153476 + 38062059025 = 251074^2 + 195095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101100212501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101100212701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550106250 + 50550106251.

It is an arithmetic number, because the mean of its divisors is an integer number (50550106251).

Almost surely, 2^101100212501 is an apocalyptic number.

It is an amenable number.

101100212501 is a deficient number, since it is larger than the sum of its proper divisors (1).

101100212501 is an equidigital number, since it uses as much as digits as its factorization.

101100212501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 101100212501 its reverse (105212001101), we get a palindrome (206312213602).

The spelling of 101100212501 in words is "one hundred one billion, one hundred million, two hundred twelve thousand, five hundred one".