101211021110 has 16 divisors (see below), whose sum is σ = 182185772400. Its totient is φ = 40483089696.

The previous prime is 101211021103. The next prime is 101211021151. The reversal of 101211021110 is 11120112101.

It is a junction number, because it is equal to n+sod(n) for n = 101211021091 and 101211021100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194876 + ... + 490304.

It is an arithmetic number, because the mean of its divisors is an integer number (11386610775).

Almost surely, 2^101211021110 is an apocalyptic number.

101211021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211021110 is a deficient number, since it is larger than the sum of its proper divisors (80974751290).

101211021110 is a wasteful number, since it uses less digits than its factorization.

101211021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329695.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101211021110 its reverse (11120112101), we get a palindrome (112331133211).

Subtracting from 101211021110 its reverse (11120112101), we obtain a palindrome (90090909009).

The spelling of 101211021110 in words is "one hundred one billion, two hundred eleven million, twenty-one thousand, one hundred ten".