1021112102211 has 8 divisors (see below), whose sum is σ = 1420677707520. Its totient is φ = 651143949192.

The previous prime is 1021112102207. The next prime is 1021112102239. The reversal of 1021112102211 is 1122012111201.

It is a happy number.

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

It is not a de Polignac number, because 1021112102211 - 2² = 1021112102207 is a prime.

It is a super-2 number, since 2×1021112102211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021112102261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7399362991 + ... + 7399363128.

It is an arithmetic number, because the mean of its divisors is an integer number (177584713440).

Almost surely, 2^{1021112102211} is an apocalyptic number.

1021112102211 is a deficient number, since it is larger than the sum of its proper divisors (399565605309).

1021112102211 is a wasteful number, since it uses less digits than its factorization.

1021112102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14798726145.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1021112102211 its reverse (1122012111201), we get a palindrome (2143124213412).

The spelling of 1021112102211 in words is "one trillion, twenty-one billion, one hundred twelve million, one hundred two thousand, two hundred eleven".