101020222122111 has 144 divisors (see below), whose sum is σ = 158948758800000. Its totient is φ = 61797147181056.

The previous prime is 101020222122091. The next prime is 101020222122133. The reversal of 101020222122111 is 111221222020101.

101020222122111 is a `hidden beast` number, since 1 + 0 + 10 + 202 + 221 + 221 + 11 = 666.

It is not a de Polignac number, because 101020222122111 - 2¹⁰ = 101020222121087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020222122161) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6217003515 + ... + 6217019763.

It is an arithmetic number, because the mean of its divisors is an integer number (1103810825000).

Almost surely, 2^{101020222122111} is an apocalyptic number.

101020222122111 is a deficient number, since it is larger than the sum of its proper divisors (57928536677889).

101020222122111 is a wasteful number, since it uses less digits than its factorization.

101020222122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16738 (or 16718 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101020222122111 its reverse (111221222020101), we get a palindrome (212241444142212).

The spelling of 101020222122111 in words is "one hundred one trillion, twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred eleven".