102211111010 has 8 divisors (see below), whose sum is σ = 183979999836. Its totient is φ = 40884444400.

The previous prime is 102211110997. The next prime is 102211111031. The reversal of 102211111010 is 10111112201.

It can be written as a sum of positive squares in 2 ways, for example, as 82468331929 + 19742779081 = 287173^2 + 140509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×102211111010² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102211110982 and 102211111000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110555541 + ... + 5110555560.

Almost surely, 2^102211111010 is an apocalyptic number.

102211111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102211111010 is a deficient number, since it is larger than the sum of its proper divisors (81768888826).

102211111010 is a wasteful number, since it uses less digits than its factorization.

102211111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221111108.

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

Adding to 102211111010 its reverse (10111112201), we get a palindrome (112322223211).

It can be divided in two parts, 102 and 211111010, that added together give a palindrome (211111112).

The spelling of 102211111010 in words is "one hundred two billion, two hundred eleven million, one hundred eleven thousand, ten".