1122121102 has 16 divisors (see below), whose sum is σ = 1763379072. Its totient is φ = 534523000.

The previous prime is 1122121069. The next prime is 1122121103. The reversal of 1122121102 is 2011212211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122121103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37048 + ... + 60139.

It is an arithmetic number, because the mean of its divisors is an integer number (110211192).

Almost surely, 2^1122121102 is an apocalyptic number.

1122121102 is a deficient number, since it is larger than the sum of its proper divisors (641257970).

1122121102 is a wasteful number, since it uses less digits than its factorization.

1122121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97463.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1122121102 is about 33498.0760940087. The cubic root of 1122121102 is about 1039.1539908541.

Adding to 1122121102 its reverse (2011212211), we get a palindrome (3133333313).

It can be divided in two parts, 11221 and 21102, that added together give a palindrome (32323).

The spelling of 1122121102 in words is "one billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred two".