1000201211010 has 48 divisors (see below), whose sum is σ = 2655853439616. Its totient is φ = 261045421344.

The previous prime is 1000201210973. The next prime is 1000201211081. The reversal of 1000201211010 is 101121020001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1000201210983 and 1000201211001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118222864 + ... + 118231323.

It is an arithmetic number, because the mean of its divisors is an integer number (55330279992).

Almost surely, 2^{1000201211010} is an apocalyptic number.

1000201211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000201211010 is an abundant number, since it is smaller than the sum of its proper divisors (1655652228606).

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

1000201211010 is a wasteful number, since it uses less digits than its factorization.

1000201211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236454247 (or 236454244 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1000201211010 its reverse (101121020001), we get a palindrome (1101322231011).

The spelling of 1000201211010 in words is "one trillion, two hundred one million, two hundred eleven thousand, ten".