1121202132210 has 384 divisors, whose sum is σ = 3154127558400. Its totient is φ = 275759769600.

The previous prime is 1121202132209. The next prime is 1121202132221. The reversal of 1121202132210 is 122312021211.

1121202132210 is a `hidden beast` number, since 1 + 121 + 202 + 132 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1355745817 + ... + 1355746643.

It is an arithmetic number, because the mean of its divisors is an integer number (8213873850).

Almost surely, 2^{1121202132210} is an apocalyptic number.

1121202132210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121202132210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1577063779200).

1121202132210 is an abundant number, since it is smaller than the sum of its proper divisors (2032925426190).

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

1121202132210 is a wasteful number, since it uses less digits than its factorization.

1121202132210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1121202132210 its reverse (122312021211), we get a palindrome (1243514153421).

The spelling of 1121202132210 in words is "one trillion, one hundred twenty-one billion, two hundred two million, one hundred thirty-two thousand, two hundred ten".