1011121121222 has 16 divisors (see below), whose sum is σ = 1565682048000. Its totient is φ = 489228670920.

The previous prime is 1011121121203. The next prime is 1011121121239. The reversal of 1011121121222 is 2221211211101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011121121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947279 + ... + 1708677.

It is an arithmetic number, because the mean of its divisors is an integer number (97855128000).

Almost surely, 2^{1011121121222} is an apocalyptic number.

1011121121222 is a deficient number, since it is larger than the sum of its proper divisors (554560926778).

1011121121222 is a wasteful number, since it uses less digits than its factorization.

1011121121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782851.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1011121121222 its reverse (2221211211101), we get a palindrome (3232332332323).

The spelling of 1011121121222 in words is "one trillion, eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".