10222121222222 has 128 divisors (see below), whose sum is σ = 20751581942784. Its totient is φ = 3662037485568.

The previous prime is 10222121222161. The next prime is 10222121222231. The reversal of 10222121222222 is 22222212122201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8340428 + ... + 9487200.

It is an arithmetic number, because the mean of its divisors is an integer number (162121733928).

Almost surely, 2^{10222121222222} is an apocalyptic number.

10222121222222 is an abundant number, since it is smaller than the sum of its proper divisors (10529460720562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10222121222222 is a wasteful number, since it uses less digits than its factorization.

10222121222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146922.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 10222121222222 its reverse (22222212122201), we get a palindrome (32444333344423).

The spelling of 10222121222222 in words is "ten trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".