101221110022011 has 32 divisors (see below), whose sum is σ = 154298147696640. Its totient is φ = 57819466941984.

The previous prime is 101221110021979. The next prime is 101221110022013. The reversal of 101221110022011 is 110220011122101.

It is a happy number.

It is not a de Polignac number, because 101221110022011 - 2⁵ = 101221110021979 is a prime.

It is a super-2 number, since 2×101221110022011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101221110022013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705700260 + ... + 705843678.

It is an arithmetic number, because the mean of its divisors is an integer number (4821817115520).

Almost surely, 2^{101221110022011} is an apocalyptic number.

101221110022011 is a deficient number, since it is larger than the sum of its proper divisors (53077037674629).

101221110022011 is a wasteful number, since it uses less digits than its factorization.

101221110022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155495.

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

Adding to 101221110022011 its reverse (110220011122101), we get a palindrome (211441121144112).

The spelling of 101221110022011 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred ten million, twenty-two thousand, eleven".