101220012201 has 16 divisors (see below), whose sum is σ = 168261838848. Its totient is φ = 52581824400.

The previous prime is 101220012191. The next prime is 101220012211. The reversal of 101220012201 is 102210022101.

It is an interprime number because it is at equal distance from previous prime (101220012191) and next prime (101220012211).

It is not a de Polignac number, because 101220012201 - 2⁵ = 101220012169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101220012211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219090705 + ... + 219091166.

It is an arithmetic number, because the mean of its divisors is an integer number (10516364928).

Almost surely, 2^101220012201 is an apocalyptic number.

101220012201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101220012201 is a deficient number, since it is larger than the sum of its proper divisors (67041826647).

101220012201 is a wasteful number, since it uses less digits than its factorization.

101220012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438181892.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101220012201 its reverse (102210022101), we get a palindrome (203430034302).

The spelling of 101220012201 in words is "one hundred one billion, two hundred twenty million, twelve thousand, two hundred one".