101321103021111 has 24 divisors (see below), whose sum is σ = 151406502118560. Its totient is φ = 65215100059200.

The previous prime is 101321103021097. The next prime is 101321103021119. The reversal of 101321103021111 is 111120301123101.

101321103021111 is a `hidden beast` number, since 10 + 1 + 321 + 10 + 302 + 11 + 11 = 666.

It is not a de Polignac number, because 101321103021111 - 2⁷ = 101321103020983 is a prime.

It is a super-2 number, since 2×101321103021111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321103021119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3628780 + ... + 14690481.

It is an arithmetic number, because the mean of its divisors is an integer number (6308604254940).

Almost surely, 2^{101321103021111} is an apocalyptic number.

101321103021111 is a deficient number, since it is larger than the sum of its proper divisors (50085399097449).

101321103021111 is a wasteful number, since it uses less digits than its factorization.

101321103021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18340487 (or 18340484 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 101321103021111 its reverse (111120301123101), we get a palindrome (212441404144212).

The spelling of 101321103021111 in words is "one hundred one trillion, three hundred twenty-one billion, one hundred three million, twenty-one thousand, one hundred eleven".