101211272 has 16 divisors (see below), whose sum is σ = 192604560. Its totient is φ = 49850064.

The previous prime is 101211269. The next prime is 101211277. The reversal of 101211272 is 272112101.

It is a super-3 number, since 3×101211272³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101211272.

It is not an unprimeable number, because it can be changed into a prime (101211277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93878 + ... + 94949.

It is an arithmetic number, because the mean of its divisors is an integer number (12037785).

Almost surely, 2^101211272 is an apocalyptic number.

101211272 is the 5378-th centered heptagonal number.

It is an amenable number.

101211272 is a deficient number, since it is larger than the sum of its proper divisors (91393288).

101211272 is a wasteful number, since it uses less digits than its factorization.

101211272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188900 (or 188896 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 101211272 is about 10060.3813049009. The cubic root of 101211272 is about 466.0254426849.

Adding to 101211272 its reverse (272112101), we get a palindrome (373323373).

The spelling of 101211272 in words is "one hundred one million, two hundred eleven thousand, two hundred seventy-two".