101211220112 has 10 divisors (see below), whose sum is σ = 196096738998. Its totient is φ = 50605610048.

The previous prime is 101211220087. The next prime is 101211220133. The reversal of 101211220112 is 211022112101.

It can be written as a sum of positive squares in only one way, i.e., 67442012416 + 33769207696 = 259696^2 + 183764^2 .

It is a super-2 number, since 2×101211220112² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3162850613 + ... + 3162850644.

Almost surely, 2^101211220112 is an apocalyptic number.

It is an amenable number.

101211220112 is a deficient number, since it is larger than the sum of its proper divisors (94885518886).

101211220112 is an equidigital number, since it uses as much as digits as its factorization.

101211220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325701265 (or 6325701259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101211220112 its reverse (211022112101), we get a palindrome (312233332213).

The spelling of 101211220112 in words is "one hundred one billion, two hundred eleven million, two hundred twenty thousand, one hundred twelve".