1211422102 has 32 divisors (see below), whose sum is σ = 2122070400. Its totient is φ = 512812800.

The previous prime is 1211422099. The next prime is 1211422127. The reversal of 1211422102 is 2012241121.

It is a super-3 number, since 3×1211422102³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102 + ... + 49222.

It is an arithmetic number, because the mean of its divisors is an integer number (66314700).

Almost surely, 2^1211422102 is an apocalyptic number.

1211422102 is a deficient number, since it is larger than the sum of its proper divisors (910648298).

1211422102 is a wasteful number, since it uses less digits than its factorization.

1211422102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49212.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1211422102 is about 34805.4895382898. The cubic root of 1211422102 is about 1066.0195375332.

Adding to 1211422102 its reverse (2012241121), we get a palindrome (3223663223).

The spelling of 1211422102 in words is "one billion, two hundred eleven million, four hundred twenty-two thousand, one hundred two".