1012202111222 has 8 divisors (see below), whose sum is σ = 1518415983216. Its totient is φ = 506063450152.

The previous prime is 1012202111171. The next prime is 1012202111231. The reversal of 1012202111222 is 2221112022101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1012202111222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012202111222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18769073 + ... + 18822924.

It is an arithmetic number, because the mean of its divisors is an integer number (189801997902).

Almost surely, 2^{1012202111222} is an apocalyptic number.

1012202111222 is a deficient number, since it is larger than the sum of its proper divisors (506213871994).

1012202111222 is a wasteful number, since it uses less digits than its factorization.

1012202111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37605462.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1012202111222 its reverse (2221112022101), we get a palindrome (3233314133323).

The spelling of 1012202111222 in words is "one trillion, twelve billion, two hundred two million, one hundred eleven thousand, two hundred twenty-two".