101021211212222 has 24 divisors (see below), whose sum is σ = 176276968302960. Its totient is φ = 43293512132640.

The previous prime is 101021211212123. The next prime is 101021211212227. The reversal of 101021211212222 is 222212112120101.

It is a super-2 number, since 2×101021211212222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101021211212194 and 101021211212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021211212227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12086354 + ... + 18658037.

It is an arithmetic number, because the mean of its divisors is an integer number (7344873679290).

Almost surely, 2^{101021211212222} is an apocalyptic number.

101021211212222 is a deficient number, since it is larger than the sum of its proper divisors (75255757090738).

101021211212222 is a wasteful number, since it uses less digits than its factorization.

101021211212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30777936 (or 30777929 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101021211212222 its reverse (222212112120101), we get a palindrome (323233323332323).

The spelling of 101021211212222 in words is "one hundred one trillion, twenty-one billion, two hundred eleven million, two hundred twelve thousand, two hundred twenty-two".