101021020222222 has 4 divisors (see below), whose sum is σ = 151531530333336. Its totient is φ = 50510510111110.

The previous prime is 101021020222183. The next prime is 101021020222253. The reversal of 101021020222222 is 222222020120101.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 101021020222222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255255055554 + ... + 25255255055557.

It is an arithmetic number, because the mean of its divisors is an integer number (37882882583334).

Almost surely, 2^{101021020222222} is an apocalyptic number.

101021020222222 is a deficient number, since it is larger than the sum of its proper divisors (50510510111114).

101021020222222 is an equidigital number, since it uses as much as digits as its factorization.

101021020222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50510510111113.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 101021020222222 its reverse (222222020120101), we get a palindrome (323243040342323).

The spelling of 101021020222222 in words is "one hundred one trillion, twenty-one billion, twenty million, two hundred twenty-two thousand, two hundred twenty-two".