101211121221022 has 16 divisors (see below), whose sum is σ = 152918838046800. Its totient is φ = 50239116014400.

The previous prime is 101211121220941. The next prime is 101211121221029. The reversal of 101211121221022 is 220122121112101.

It is a happy number.

It is a super-3 number, since 3×101211121221022³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211121221029) 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, 234986697 + ... + 235417012.

It is an arithmetic number, because the mean of its divisors is an integer number (9557427377925).

Almost surely, 2^{101211121221022} is an apocalyptic number.

101211121221022 is a deficient number, since it is larger than the sum of its proper divisors (51707716825778).

101211121221022 is a wasteful number, since it uses less digits than its factorization.

101211121221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470404491.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101211121221022 its reverse (220122121112101), we get a palindrome (321333242333123).

The spelling of 101211121221022 in words is "one hundred one trillion, two hundred eleven billion, one hundred twenty-one million, two hundred twenty-one thousand, twenty-two".